Lenovo 7X18 Maintenance Manual page 30

Table 8. Components on the server rear view (continued)
LOM adapter (slot 7)
4
AC power LED (green)
5
DC power LED (green)
6
Power supply error LED (yellow)
7
Power supply unit 2
8
Power supply unit 1
9
1 PCIe slots (slot 1-2, 8-11):
Install PCIe adapters into these slots. Following are detailed descriptions of each slot:
• Slot 1: PCI Express 3.0 x16 (supports PCIe switch card)
• Slot 2: PCI Express 3.0 x8 (supports RAID adapters for SATA/SAS drives)
• Slot 8: PCI Express 3.0 x8
• Slot 9: PCI Express 3.0 x8
• Slot 10: PCI Express 3.0 x8 (supports RAID adapters for SATA/SAS drives)
• Slot 11: PCI Express 3.0 x16 (supports PCIe switch card)
For more information, see
riser-card assembly and adapter replacement" on page 93
2 PCIe riser-card (slot 3-5):
Install a full-height PCIe riser-card into this slot. Following are the PCIe riser-cards supported by this server.
• x8/x8/x8 PCIe full-height riser assembly provides:
– Slot 3: PCI Express 3.0 x8
– Slot 4: PCI Express 3.0 x8
– Slot 5: PCI Express 3.0 x8
• x8/x8/x8ML2 PCIe full-height riser assembly provides:
– Slot 3: PCI Express 3.0 x8
– Slot 4: PCI Express 3.0 x8
– Slot 5: Customized slot for x8 ML2 adapter
• x8/x16ML2 PCIe full-height riser assembly provides:
– Slot 3: PCI Express 3.0 x8
– Slot 4: Not available
– Slot 5: Customized slot for x16 ML2 adapter
3 M.2 backplane (slot 6):
Install M.2 backplane to this slot. See
LOM adapter (slot 7):
4
ThinkSystem SR850 Maintenance Manual
22
"System-board connectors" on page 25
"M.2 drive and backplane replacement" on page 78
USB 4 (USB 3.0)
13
USB 3 (USB 3.0)
14
Serial connector
15
VGA connector
16
XClarity Controller network connector
17
NMI button
18
for the location of the slots, and
for information about installation and removal.
"PCIe
for more details.